Tensioning device with dampening unit comprising a minimum uptake volume

摘要

The clamping device (1) has a housing (3), cavity and a clamping piston that is arranged in the housing in moving manner. A pressure chamber (5) is formed between the housing and clamping piston for hydraulic fluid. A filling material (18) is arranged in the cavity of the clamping piston, which is a component part of a damper such that the damper has a receiving volume for the hydraulic fluid. An independent claim is also included for an enlacement gear with a drive unit such as chain or belt.